How popular is Abbi?

Abbi is an uncommon first name for women. Abbi is also a unique last name for both adults and children. (2000 U.S. Demographics)

Abbi was first listed in 2003 and reached its apex rank of #1843 in the U.S. then, but is not found in the list at the moment. (Top 2000 Names, 2015)

Which version is better?

with its source form and related girl names. Abbe, Abbey(#1411 from current records), Abbie(#1180), Abby(#437), Abi and Abigail(#7) are the popular variation forms of Abbi. These forms of Abbi were at the peak of their popularity in 2002 (adoption of 1.3%) and are somewhat less popular today (adoption 0.8%, down 36%), with versions such as Abby becoming less trendy. Abigail has been the most popular choice.